Convert SMC911X Ethernet driver to CONFIG_NET_MULTI API

All in-tree boards that use this controller have CONFIG_NET_MULTI added
Also:
 - changed CONFIG_DRIVER_SMC911X* to CONFIG_SMC911X*
 - cleaned up line lengths
 - modified all boards that override weak function in this driver
 - added

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
Tested-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 97 insertions, 80 deletions

diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 8c9a2a8..18a729c 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -24,110 +24,90 @@
 
 #include <common.h>
 #include <command.h>
+#include <malloc.h>
 #include <net.h>
 #include <miiphy.h>
 
 #include "smc911x.h"
 
-u32 pkt_data_pull(u32 addr) \
+u32 pkt_data_pull(struct eth_device *dev, u32 addr) \
 	__attribute__ ((weak, alias ("smc911x_reg_read")));
-void pkt_data_push(u32 addr, u32 val) \
+void pkt_data_push(struct eth_device *dev, u32 addr, u32 val) \
 	__attribute__ ((weak, alias ("smc911x_reg_write")));
 
 #define mdelay(n)       udelay((n)*1000)
 
-static int smx911x_handle_mac_address(bd_t *bd)
+static void smx911x_handle_mac_address(struct eth_device *dev)
 {
 	unsigned long addrh, addrl;
-	uchar m[6];
-
-	if (eth_getenv_enetaddr("ethaddr", m)) {
-		/* if the environment has a valid mac address then use it */
-		addrl = m[0] | (m[1] << 8) | (m[2] << 16) | (m[3] << 24);
-		addrh = m[4] | (m[5] << 8);
-		smc911x_set_mac_csr(ADDRL, addrl);
-		smc911x_set_mac_csr(ADDRH, addrh);
-	} else {
-		/* if not, try to get one from the eeprom */
-		addrh = smc911x_get_mac_csr(ADDRH);
-		addrl = smc911x_get_mac_csr(ADDRL);
-
-		m[0] = (addrl       ) & 0xff;
-		m[1] = (addrl >>  8 ) & 0xff;
-		m[2] = (addrl >> 16 ) & 0xff;
-		m[3] = (addrl >> 24 ) & 0xff;
-		m[4] = (addrh       ) & 0xff;
-		m[5] = (addrh >>  8 ) & 0xff;
-
-		/* we get 0xff when there is no eeprom connected */
-		if ((m[0] & m[1] & m[2] & m[3] & m[4] & m[5]) == 0xff) {
-			printf(DRIVERNAME ": no valid mac address in environment "
-				"and no eeprom found\n");
-			return -1;
-		}
-
-		eth_setenv_enetaddr("ethaddr", m);
-	}
+	uchar *m = dev->enetaddr;
 
-	printf(DRIVERNAME ": MAC %pM\n", m);
+	addrl = m[0] | (m[1] << 8) | (m[2] << 16) | (m[3] << 24);
+	addrh = m[4] | (m[5] << 8);
+	smc911x_set_mac_csr(dev, ADDRL, addrl);
+	smc911x_set_mac_csr(dev, ADDRH, addrh);
 
-	return 0;
+	printf(DRIVERNAME ": MAC %pM\n", m);
 }
 
-static int smc911x_miiphy_read(u8 phy, u8 reg, u16 *val)
+static int smc911x_miiphy_read(struct eth_device *dev,
+				u8 phy, u8 reg, u16 *val)
 {
-	while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+	while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
 		;
 
-	smc911x_set_mac_csr(MII_ACC, phy << 11 | reg << 6 | MII_ACC_MII_BUSY);
+	smc911x_set_mac_csr(dev, MII_ACC, phy << 11 | reg << 6 |
+				MII_ACC_MII_BUSY);
 
-	while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+	while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
 		;
 
-	*val = smc911x_get_mac_csr(MII_DATA);
+	*val = smc911x_get_mac_csr(dev, MII_DATA);
 
 	return 0;
 }
 
-static int smc911x_miiphy_write(u8 phy, u8 reg, u16  val)
+static int smc911x_miiphy_write(struct eth_device *dev,
+				u8 phy, u8 reg, u16  val)
 {
-	while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+	while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
 		;
 
-	smc911x_set_mac_csr(MII_DATA, val);
-	smc911x_set_mac_csr(MII_ACC,
+	smc911x_set_mac_csr(dev, MII_DATA, val);
+	smc911x_set_mac_csr(dev, MII_ACC,
 		phy << 11 | reg << 6 | MII_ACC_MII_BUSY | MII_ACC_MII_WRITE);
 
-	while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+	while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
 		;
 	return 0;
 }
 
-static int smc911x_phy_reset(void)
+static int smc911x_phy_reset(struct eth_device *dev)
 {
 	u32 reg;
 
-	reg = smc911x_reg_read(PMT_CTRL);
+	reg = smc911x_reg_read(dev, PMT_CTRL);
 	reg &= ~0xfffff030;
 	reg |= PMT_CTRL_PHY_RST;
-	smc911x_reg_write(PMT_CTRL, reg);
+	smc911x_reg_write(dev, PMT_CTRL, reg);
 
 	mdelay(100);
 
 	return 0;
 }
 
-static void smc911x_phy_configure(void)
+static void smc911x_phy_configure(struct eth_device *dev)
 {
 	int timeout;
 	u16 status;
 
-	smc911x_phy_reset();
+	smc911x_phy_reset(dev);
 
-	smc911x_miiphy_write(1, PHY_BMCR, PHY_BMCR_RESET);
+	smc911x_miiphy_write(dev, 1, PHY_BMCR, PHY_BMCR_RESET);
 	mdelay(1);
-	smc911x_miiphy_write(1, PHY_ANAR, 0x01e1);
-	smc911x_miiphy_write(1, PHY_BMCR, PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
+	smc911x_miiphy_write(dev, 1, PHY_ANAR, 0x01e1);
+	smc911x_miiphy_write(dev, 1, PHY_BMCR, PHY_BMCR_AUTON |
+				PHY_BMCR_RST_NEG);
 
 	timeout = 5000;
 	do {
@@ -135,7 +115,7 @@ static void smc911x_phy_configure(void)
 		if ((timeout--) == 0)
 			goto err_out;
 
-		if (smc911x_miiphy_read(1, PHY_BMSR, &status) != 0)
+		if (smc911x_miiphy_read(dev, 1, PHY_BMSR, &status) != 0)
 			goto err_out;
 	} while (!(status & PHY_BMSR_LS));
 
@@ -147,39 +127,39 @@ err_out:
 	printf(DRIVERNAME ": autonegotiation timed out\n");
 }
 
-static void smc911x_enable(void)
+static void smc911x_enable(struct eth_device *dev)
 {
 	/* Enable TX */
-	smc911x_reg_write(HW_CFG, 8 << 16 | HW_CFG_SF);
+	smc911x_reg_write(dev, HW_CFG, 8 << 16 | HW_CFG_SF);
 
-	smc911x_reg_write(GPT_CFG, GPT_CFG_TIMER_EN | 10000);
+	smc911x_reg_write(dev, GPT_CFG, GPT_CFG_TIMER_EN | 10000);
 
-	smc911x_reg_write(TX_CFG, TX_CFG_TX_ON);
+	smc911x_reg_write(dev, TX_CFG, TX_CFG_TX_ON);
 
 	/* no padding to start of packets */
-	smc911x_reg_write(RX_CFG, 0);
+	smc911x_reg_write(dev, RX_CFG, 0);
 
-	smc911x_set_mac_csr(MAC_CR, MAC_CR_TXEN | MAC_CR_RXEN | MAC_CR_HBDIS);
+	smc911x_set_mac_csr(dev, MAC_CR, MAC_CR_TXEN | MAC_CR_RXEN |
+				MAC_CR_HBDIS);
 
 }
 
-int eth_init(bd_t *bd)
+static int smc911x_init(struct eth_device *dev, bd_t * bd)
 {
 	printf(DRIVERNAME ": initializing\n");
 
-	if (smc911x_detect_chip())
+	if (smc911x_detect_chip(dev))
 		goto err_out;
 
-	smc911x_reset();
+	smc911x_reset(dev);
 
 	/* Configure the PHY, initialize the link state */
-	smc911x_phy_configure();
+	smc911x_phy_configure(dev);
 
-	if (smx911x_handle_mac_address(bd))
-		goto err_out;
+	smx911x_handle_mac_address(dev);
 
 	/* Turn on Tx + Rx */
-	smc911x_enable();
+	smc911x_enable(dev);
 
 	return 0;
 
@@ -187,28 +167,32 @@ err_out:
 	return -1;
 }
 
-int eth_send(volatile void *packet, int length)
+static int smc911x_send(struct eth_device *dev,
+			volatile void *packet, int length)
 {
 	u32 *data = (u32*)packet;
 	u32 tmplen;
 	u32 status;
 
-	smc911x_reg_write(TX_DATA_FIFO, TX_CMD_A_INT_FIRST_SEG | TX_CMD_A_INT_LAST_SEG | length);
-	smc911x_reg_write(TX_DATA_FIFO, length);
+	smc911x_reg_write(dev, TX_DATA_FIFO, TX_CMD_A_INT_FIRST_SEG |
+				TX_CMD_A_INT_LAST_SEG | length);
+	smc911x_reg_write(dev, TX_DATA_FIFO, length);
 
 	tmplen = (length + 3) / 4;
 
 	while (tmplen--)
-		pkt_data_push(TX_DATA_FIFO, *data++);
+		pkt_data_push(dev, TX_DATA_FIFO, *data++);
 
 	/* wait for transmission */
-	while (!((smc911x_reg_read(TX_FIFO_INF) & TX_FIFO_INF_TSUSED) >> 16));
+	while (!((smc911x_reg_read(dev, TX_FIFO_INF) &
+					TX_FIFO_INF_TSUSED) >> 16));
 
 	/* get status. Ignore 'no carrier' error, it has no meaning for
 	 * full duplex operation
 	 */
-	status = smc911x_reg_read(TX_STATUS_FIFO) & (TX_STS_LOC | TX_STS_LATE_COLL |
-		TX_STS_MANY_COLL | TX_STS_MANY_DEFER | TX_STS_UNDERRUN);
+	status = smc911x_reg_read(dev, TX_STATUS_FIFO) &
+			(TX_STS_LOC | TX_STS_LATE_COLL | TX_STS_MANY_COLL |
+			TX_STS_MANY_DEFER | TX_STS_UNDERRUN);
 
 	if (!status)
 		return 0;
@@ -223,26 +207,26 @@ int eth_send(volatile void *packet, int length)
 	return -1;
 }
 
-void eth_halt(void)
+static void smc911x_halt(struct eth_device *dev)
 {
-	smc911x_reset();
+	smc911x_reset(dev);
 }
 
-int eth_rx(void)
+static int smc911x_rx(struct eth_device *dev)
 {
 	u32 *data = (u32 *)NetRxPackets[0];
 	u32 pktlen, tmplen;
 	u32 status;
 
-	if ((smc911x_reg_read(RX_FIFO_INF) & RX_FIFO_INF_RXSUSED) >> 16) {
-		status = smc911x_reg_read(RX_STATUS_FIFO);
+	if ((smc911x_reg_read(dev, RX_FIFO_INF) & RX_FIFO_INF_RXSUSED) >> 16) {
+		status = smc911x_reg_read(dev, RX_STATUS_FIFO);
 		pktlen = (status & RX_STS_PKT_LEN) >> 16;
 
-		smc911x_reg_write(RX_CFG, 0);
+		smc911x_reg_write(dev, RX_CFG, 0);
 
 		tmplen = (pktlen + 2+ 3) / 4;
 		while (tmplen--)
-			*data++ = pkt_data_pull(RX_DATA_FIFO);
+			*data++ = pkt_data_pull(dev, RX_DATA_FIFO);
 
 		if (status & RX_STS_ES)
 			printf(DRIVERNAME
@@ -254,3 +238,36 @@ int eth_rx(void)
 
 	return 0;
 }
+
+int smc911x_initialize(u8 dev_num, int base_addr)
+{
+	unsigned long addrl, addrh;
+	struct eth_device *dev;
+
+	dev = malloc(sizeof(*dev));
+	if (!dev) {
+		free(dev);
+		return 0;
+	}
+	memset(dev, 0, sizeof(*dev));
+
+	dev->iobase = base_addr;
+
+	addrh = smc911x_get_mac_csr(dev, ADDRH);
+	addrl = smc911x_get_mac_csr(dev, ADDRL);
+	dev->enetaddr[0] = addrl;
+	dev->enetaddr[1] = addrl >>  8;
+	dev->enetaddr[2] = addrl >> 16;
+	dev->enetaddr[3] = addrl >> 24;
+	dev->enetaddr[4] = addrh;
+	dev->enetaddr[5] = addrh >> 8;
+
+	dev->init = smc911x_init;
+	dev->halt = smc911x_halt;
+	dev->send = smc911x_send;
+	dev->recv = smc911x_rx;
+	sprintf(dev->name, "%s-%hu", DRIVERNAME, dev_num);
+
+	eth_register(dev);
+	return 0;
+}